Maintenance

Question 1

The flashpoint for Type II Dry-Cleaning Solvent is ____

Answer 1

140 degrees F (60 degrees C)

Question 2

The flashpoint for Type III Dry-Cleaning Solvent is ____

Answer 2

200 degrees F (93 degrees C)

Question 3

Do not ______. Bleaching or dying may cause a severe loss of belt strength. This loss of strength could allow the seat belt to break under stress

Answer 3

bleach or dye seat belt webbing

Question 4

Pierce further recommends considering replacement of the belts at ____ , to reduce the potential failure of the seat belts caused by unapparent damage such as belt exposure to chemicals or UV radiation.

Answer 4

5-year intervals,

Question 5

The cab should not be raised until the _____ and the truck has sat with the battery switch ______.

Answer 5

air conditioner has been shut-off / ON for at least 30 minutes.

Question 6

The fluid in the cab lift system:

0-120º =

Answer 6

TES-389 approved

Question 7

The fluid in the cab lift system:

Below 0º =

Answer 7

MIL-H-5606 (Mobil HFA or Equivalent)

Question 8

To Lower Cab : Continue to depress the tether switch for at least ____ after the cab comes to rest.

Answer 8

5 seconds

Question 9

Do not use Lithium base grease on disc brake calipers. Lithium base grease may not adequately ___. Only use ______.

Answer 9

lubricate the calipers. / Only use clay-based NLGI Grade numbers 1 or 2, or equivalent.

Question 10

The front and rear axles use a _____.

Answer 10

Meritor EX225 air disc brake

Question 11

If the bosses are within _____ of the end of the pins or less, remove the wheels and inspect the linings for replacement. Replace at ___ thickness.

Answer 11

1/4 inch (6.4mm) / 1/8 inch (3.2mm)

Question 12

Replace the desiccant cartridge every ___ or more often depending on usage

Answer 12

2 to 3 years

Question 13

The transmission shift selector features electronic _____

Answer 13

oil level monitoring, prognostics monitoring of oil life, filter life, and transmission health, as well as diagnostic code review.

Question 14

Oil Life Monitor: While in Oil Life Monitor mode, press and hold the Mode button for ____. Or shift the gear ranges in the following sequence (do not pause for more than 3 seconds between shifts once you have started):
____

Answer 14

10 seconds / N-D-N-D-N-R-N

Question 15

Filter Life Monitor: While in Filter Life Monitor mode, press and hold the Mode button for _____. Or, shift the gear ranges in the following sequence (do not pause for more than 3 seconds between shifts once you have started):
_______.

Answer 15

10 seconds / N-R-N-R-N-D-N

Question 16

Transmission Fluid should be changed every ____ .

Answer 16

12,000 miles, 6 months, or 500 hours.

Question 17

Conditions that indicate water and/or glycol in the fluid are:

Answer 17

-Rust or pitted transmission parts.
• Oil spewing out of the breather.
• Oil in the radiator.
• Gaskets blistered or wrinkled in uncompressed areas.
• Appearance of oil. Presence of water in oil when dispersed is a cloudy or gray, pink, or strawberry color.
• Steam from the breather.

Question 18

A cold check may be made after initial start-up and the presence of transmission fluid has been confirmed (the sump fluid temperature is then typically ____

Answer 18

16-49° C (60-120° F)

Question 19

Cold Check:

1. Start the engine and run it at idle in neutral (N) for about one minute. Shift to ______ to clear the hydraulic circuits of air.
2. Move the vehicle to a level surface, put the transmission in neutral (N), and set the parking brakes.
3. With the engine idling, shift to ______ to clear air from the hydraulic circuits.

Answer 19

drive (D) and then to reverse (R) /

Question 20

Cold Check:

4. Shift to neutral (N) and leave the engine at idle.
5. Remove the dipstick and wipe it clean. Insert the dipstick into the fill tube, pushing down until it stops.
6. Remove the dipstick and observe the fluid level. If the fluid on the dipstick is within the ___, the level is satisfactory. If the fluid level is not within this band, add or drain fluid as necessary to bring the level within the COLD RUN band.
7. Perform a Hot Check at the first opportunity after normal operating temperature _____ is reached

Answer 20

COLD RUN band / (71-93° C; 160-200° F)

Question 21

Alternator : Proper belt tension is essential to avoid squealing, slipping, or throwing of alternator belts. Proper belt tension should be checked using a ______.

Answer 21

Burrows Tension Gauge or equivalent.

Question 22

Batteries Terminals :
Make cable connections as corrosion resistant as possible by coating the connections with a ____. Tighten the cable clamps to the battery posts before applying the grease.

Answer 22

heavy general purpose grease or battery terminal protection product.

Question 23

Batteries can be cleaned with a brush dipped in a _____ . Make sure the battery caps are tight to prevent the solution from entering the battery. After cleaning, flush with water.

Answer 23

baking soda or ammonia solution

Question 24

Clean battery terminals with a _____. Keep terminals clean and tight. Make sure vent holes in the battery caps are open.

Answer 24

steel wool or a wire brush

Question 25

To avoid damage to vehicle electronic components, voltage supplied to a vehicle’s electrical system must not exceed ____.

Answer 25

16.0 volts

Question 26

Jumping Batteries :
5. Connect the first jumper cable from the____ of the dead battery or the ____ of
the jump-start stud to the positive (+) terminal on the booster battery.

Answer 26

positive (+) terminal

Question 27

Jumping Batteries :
6. Connect one end of the second jumper cable to the ____ on the booster battery, and the other end to the _____ (450 mm) away from the battery. Do not attach the other end directly to the battery _____ because a spark could occur and cause explosion of gases normally present around the battery.

Answer 27

negative (–) terminal / frame of the disabled vehicle at least 18 inches / negative (–) terminal

Question 28

Bi-Monthly or 100 Operating Hours Services

Grease.

Answer 28

Grease discharge valves using zerks behind passenger side pump panel access door.

Question 29

6 Months or 100 Operating Hours Services.

Answer 29

Chain Case Fluid. Change fluid using ATF fluid.

Outboard Bearing. This bearing is sealed and does not require service.

Question 30

DISCHARGE GATES AND HANDWHEEL CONTROLS. Grease using a hand operated lube gun. DO NOT USE AN AIR OPERATED LUBE GUN. Give each zerk about ___.

Answer 30

five pumps.

Question 31

Engine oil capacity

Answer 31

44 qt

Question 32

Engine coolant capacity

Answer 32

65 pt / 16.25 gal

Question 33

Engine Coolant Reservoir

Answer 33

6 qt

Question 34

Front and Rear Suspension:

Re-torque the steering gear mounting bolts to ____.

Answer 34

460 ft-lb.

Question 35

Steering Box and Steering Linkage: Have an assistant move the steering wheel back and forth with short ____ rapid movements.

Answer 35

(40 to 60)

Question 36

Michelin Fire-Service Rating Rules:
After driving for _____ at speeds above the standard maximum rated speeds, or at loads over the maximum side- wall rating, park the apparatus for ____ to allow the tire carcass to cool.

Answer 36

1 hour

Question 37

Matching:
Match dual tires so that tires worn to the same diameter are placed together. Do not mount tires together that vary by more than ____ in diameter or___ in circumference

Answer 37

1/4 inch / 3/4 inch

Question 38

Wheel nuts must be checked for proper torque after the first ____ of service, then frequently as part of periodic maintenance. Failure to verify wheel nut torque may lead to loss of vehicle control, serious property damage, personal injury, or death.

Answer 38

50 to 100 miles

Question 39

Wheel Nut Torque Chart:

10 Hole, 285.75 mm – Hub Piloted

Answer 39

450-500 ft-lbs dry

Question 40

Wheel Nut Torque Chart:

10 Hole, 285.75 mm – Hub Piloted with Meritor ADB 1560 disc brakes

Answer 40

390-450 ft-lbs dry

Question 41

Transmission Temp

Answer 41

160-220